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Finding the Fourth Proportional to 437.16, 603.33 and 271.53

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Solution

The fourth proportional to 437.16, 603.33 and 271.53 is: 374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.16 : 603.33 = 271.53 : x
  2. Step 2: Convert to fraction form
    437.16/603.33 = 271.53/x
  3. Step 3: Cross multiply
    437.16x = 603.33 × 271.53
  4. Step 4: Simplify right side
    437.16x = 163,822.19
  5. Step 5: Solve for x
    x = 163,822.19/437.16
  6. Step 6: Final answer
    x = 374.74

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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.