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Finding the Fourth Proportional to 436.66, 603.32 and 432.34

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Solution

The fourth proportional to 436.66, 603.32 and 432.34 is: 597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.66 : 603.32 = 432.34 : x
  2. Step 2: Convert to fraction form
    436.66/603.32 = 432.34/x
  3. Step 3: Cross multiply
    436.66x = 603.32 × 432.34
  4. Step 4: Simplify right side
    436.66x = 260,835.70
  5. Step 5: Solve for x
    x = 260,835.70/436.66
  6. Step 6: Final answer
    x = 597.35

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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.