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Finding the Fourth Proportional to 601.49, 899.49 and 437.51

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Solution

The fourth proportional to 601.49, 899.49 and 437.51 is: 654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.49 : 899.49 = 437.51 : x
  2. Step 2: Convert to fraction form
    601.49/899.49 = 437.51/x
  3. Step 3: Cross multiply
    601.49x = 899.49 × 437.51
  4. Step 4: Simplify right side
    601.49x = 393,535.87
  5. Step 5: Solve for x
    x = 393,535.87/601.49
  6. Step 6: Final answer
    x = 654.27

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.