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Finding the Fourth Proportional to 500.95, 749.54 and 347.18

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Solution

The fourth proportional to 500.95, 749.54 and 347.18 is: 519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.95 : 749.54 = 347.18 : x
  2. Step 2: Convert to fraction form
    500.95/749.54 = 347.18/x
  3. Step 3: Cross multiply
    500.95x = 749.54 × 347.18
  4. Step 4: Simplify right side
    500.95x = 260,222.42
  5. Step 5: Solve for x
    x = 260,222.42/500.95
  6. Step 6: Final answer
    x = 519.46

Related Problems

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Half scale
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Double scale
Find fourth proportional to 501.95, 751.04 and 348.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.