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Finding the Fourth Proportional to 332.54, 497.85 and 320.06

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Solution

The fourth proportional to 332.54, 497.85 and 320.06 is: 479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.54 : 497.85 = 320.06 : x
  2. Step 2: Convert to fraction form
    332.54/497.85 = 320.06/x
  3. Step 3: Cross multiply
    332.54x = 497.85 × 320.06
  4. Step 4: Simplify right side
    332.54x = 159,341.87
  5. Step 5: Solve for x
    x = 159,341.87/332.54
  6. Step 6: Final answer
    x = 479.17

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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.