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Finding the Fourth Proportional to 502.72, 753 and 497.19

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Solution

The fourth proportional to 502.72, 753 and 497.19 is: 744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.72 : 753 = 497.19 : x
  2. Step 2: Convert to fraction form
    502.72/753 = 497.19/x
  3. Step 3: Cross multiply
    502.72x = 753 × 497.19
  4. Step 4: Simplify right side
    502.72x = 374,384.07
  5. Step 5: Solve for x
    x = 374,384.07/502.72
  6. Step 6: Final answer
    x = 744.72

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