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Finding the Fourth Proportional to 435.95, 600.65 and 400.58

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Solution

The fourth proportional to 435.95, 600.65 and 400.58 is: 551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.95 : 600.65 = 400.58 : x
  2. Step 2: Convert to fraction form
    435.95/600.65 = 400.58/x
  3. Step 3: Cross multiply
    435.95x = 600.65 × 400.58
  4. Step 4: Simplify right side
    435.95x = 240,605.37
  5. Step 5: Solve for x
    x = 240,605.37/435.95
  6. Step 6: Final answer
    x = 551.92

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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.