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Finding the Fourth Proportional to 601.10, 829.63 and 477.70

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Solution

The fourth proportional to 601.10, 829.63 and 477.70 is: 659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.10 : 829.63 = 477.70 : x
  2. Step 2: Convert to fraction form
    601.10/829.63 = 477.70/x
  3. Step 3: Cross multiply
    601.10x = 829.63 × 477.70
  4. Step 4: Simplify right side
    601.10x = 396,314.25
  5. Step 5: Solve for x
    x = 396,314.25/601.10
  6. Step 6: Final answer
    x = 659.32

Related Problems

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Double scale
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1.5x scale

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.