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Finding the Fourth Proportional to 602.08, 901.53 and 328.23

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Solution

The fourth proportional to 602.08, 901.53 and 328.23 is: 491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.08 : 901.53 = 328.23 : x
  2. Step 2: Convert to fraction form
    602.08/901.53 = 328.23/x
  3. Step 3: Cross multiply
    602.08x = 901.53 × 328.23
  4. Step 4: Simplify right side
    602.08x = 295,909.19
  5. Step 5: Solve for x
    x = 295,909.19/602.08
  6. Step 6: Final answer
    x = 491.48

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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.