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Finding the Fourth Proportional to 501.81, 753.05 and 177.17

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Solution

The fourth proportional to 501.81, 753.05 and 177.17 is: 265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.81 : 753.05 = 177.17 : x
  2. Step 2: Convert to fraction form
    501.81/753.05 = 177.17/x
  3. Step 3: Cross multiply
    501.81x = 753.05 × 177.17
  4. Step 4: Simplify right side
    501.81x = 133,413.22
  5. Step 5: Solve for x
    x = 133,413.22/501.81
  6. Step 6: Final answer
    x = 265.86

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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.