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Finding the Fourth Proportional to 895.35, 1,342.72 and 347.25

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Solution

The fourth proportional to 895.35, 1,342.72 and 347.25 is: 520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.35 : 1,342.72 = 347.25 : x
  2. Step 2: Convert to fraction form
    895.35/1,342.72 = 347.25/x
  3. Step 3: Cross multiply
    895.35x = 1,342.72 × 347.25
  4. Step 4: Simplify right side
    895.35x = 466,259.52
  5. Step 5: Solve for x
    x = 466,259.52/895.35
  6. Step 6: Final answer
    x = 520.76

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Double scale
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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.