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Finding the Fourth Proportional to 601.68, 903.15 and 328.32

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Solution

The fourth proportional to 601.68, 903.15 and 328.32 is: 492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.68 : 903.15 = 328.32 : x
  2. Step 2: Convert to fraction form
    601.68/903.15 = 328.32/x
  3. Step 3: Cross multiply
    601.68x = 903.15 × 328.32
  4. Step 4: Simplify right side
    601.68x = 296,522.21
  5. Step 5: Solve for x
    x = 296,522.21/601.68
  6. Step 6: Final answer
    x = 492.82

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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.