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Finding the Fourth Proportional to 500.68, 749.70 and 353.63

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Solution

The fourth proportional to 500.68, 749.70 and 353.63 is: 529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.68 : 749.70 = 353.63 : x
  2. Step 2: Convert to fraction form
    500.68/749.70 = 353.63/x
  3. Step 3: Cross multiply
    500.68x = 749.70 × 353.63
  4. Step 4: Simplify right side
    500.68x = 265,118.29
  5. Step 5: Solve for x
    x = 265,118.29/500.68
  6. Step 6: Final answer
    x = 529.52

Related Problems

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Double scale
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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.