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Finding the Fourth Proportional to 885.98, 1,223.01 and 598.58

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Solution

The fourth proportional to 885.98, 1,223.01 and 598.58 is: 826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.98 : 1,223.01 = 598.58 : x
  2. Step 2: Convert to fraction form
    885.98/1,223.01 = 598.58/x
  3. Step 3: Cross multiply
    885.98x = 1,223.01 × 598.58
  4. Step 4: Simplify right side
    885.98x = 732,063.21
  5. Step 5: Solve for x
    x = 732,063.21/885.98
  6. Step 6: Final answer
    x = 826.28

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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.