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Finding the Fourth Proportional to 332.48, 498.40 and 264.18

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Solution

The fourth proportional to 332.48, 498.40 and 264.18 is: 396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.48 : 498.40 = 264.18 : x
  2. Step 2: Convert to fraction form
    332.48/498.40 = 264.18/x
  3. Step 3: Cross multiply
    332.48x = 498.40 × 264.18
  4. Step 4: Simplify right side
    332.48x = 131,667.31
  5. Step 5: Solve for x
    x = 131,667.31/332.48
  6. Step 6: Final answer
    x = 396.02

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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.