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Finding the Fourth Proportional to 560.98, 837.01 and 556.66

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Solution

The fourth proportional to 560.98, 837.01 and 556.66 is: 830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.98 : 837.01 = 556.66 : x
  2. Step 2: Convert to fraction form
    560.98/837.01 = 556.66/x
  3. Step 3: Cross multiply
    560.98x = 837.01 × 556.66
  4. Step 4: Simplify right side
    560.98x = 465,929.99
  5. Step 5: Solve for x
    x = 465,929.99/560.98
  6. Step 6: Final answer
    x = 830.56

Related Problems

Find fourth proportional to 280.49, 418.51 and 278.33
Half scale
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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.