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Finding the Fourth Proportional to 502.24, 753.06 and 193.74

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Solution

The fourth proportional to 502.24, 753.06 and 193.74 is: 290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.24 : 753.06 = 193.74 : x
  2. Step 2: Convert to fraction form
    502.24/753.06 = 193.74/x
  3. Step 3: Cross multiply
    502.24x = 753.06 × 193.74
  4. Step 4: Simplify right side
    502.24x = 145,897.84
  5. Step 5: Solve for x
    x = 145,897.84/502.24
  6. Step 6: Final answer
    x = 290.49

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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.