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Finding the Fourth Proportional to 607.61, 906.46 and 590.87

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Solution

The fourth proportional to 607.61, 906.46 and 590.87 is: 881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.61 : 906.46 = 590.87 : x
  2. Step 2: Convert to fraction form
    607.61/906.46 = 590.87/x
  3. Step 3: Cross multiply
    607.61x = 906.46 × 590.87
  4. Step 4: Simplify right side
    607.61x = 535,600.02
  5. Step 5: Solve for x
    x = 535,600.02/607.61
  6. Step 6: Final answer
    x = 881.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.