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Finding the Fourth Proportional to 560.74, 845.59 and 553.04

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Solution

The fourth proportional to 560.74, 845.59 and 553.04 is: 833.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.74 : 845.59 = 553.04 : x
  2. Step 2: Convert to fraction form
    560.74/845.59 = 553.04/x
  3. Step 3: Cross multiply
    560.74x = 845.59 × 553.04
  4. Step 4: Simplify right side
    560.74x = 467,648.45
  5. Step 5: Solve for x
    x = 467,648.45/560.74
  6. Step 6: Final answer
    x = 833.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.