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Finding the Fourth Proportional to 362.61, 503.55 and 358.56

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Solution

The fourth proportional to 362.61, 503.55 and 358.56 is: 497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.61 : 503.55 = 358.56 : x
  2. Step 2: Convert to fraction form
    362.61/503.55 = 358.56/x
  3. Step 3: Cross multiply
    362.61x = 503.55 × 358.56
  4. Step 4: Simplify right side
    362.61x = 180,552.89
  5. Step 5: Solve for x
    x = 180,552.89/362.61
  6. Step 6: Final answer
    x = 497.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.