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Finding the Fourth Proportional to 434.04, 599.25 and 328.95

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Solution

The fourth proportional to 434.04, 599.25 and 328.95 is: 454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.04 : 599.25 = 328.95 : x
  2. Step 2: Convert to fraction form
    434.04/599.25 = 328.95/x
  3. Step 3: Cross multiply
    434.04x = 599.25 × 328.95
  4. Step 4: Simplify right side
    434.04x = 197,123.29
  5. Step 5: Solve for x
    x = 197,123.29/434.04
  6. Step 6: Final answer
    x = 454.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.