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Finding the Fourth Proportional to 332.16, 497.60 and 263.04

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Solution

The fourth proportional to 332.16, 497.60 and 263.04 is: 394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.16 : 497.60 = 263.04 : x
  2. Step 2: Convert to fraction form
    332.16/497.60 = 263.04/x
  3. Step 3: Cross multiply
    332.16x = 497.60 × 263.04
  4. Step 4: Simplify right side
    332.16x = 130,888.70
  5. Step 5: Solve for x
    x = 130,888.70/332.16
  6. Step 6: Final answer
    x = 394.05

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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.