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Finding the Fourth Proportional to 560.16, 837.12 and 528.96

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Solution

The fourth proportional to 560.16, 837.12 and 528.96 is: 790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.16 : 837.12 = 528.96 : x
  2. Step 2: Convert to fraction form
    560.16/837.12 = 528.96/x
  3. Step 3: Cross multiply
    560.16x = 837.12 × 528.96
  4. Step 4: Simplify right side
    560.16x = 442,803.00
  5. Step 5: Solve for x
    x = 442,803.00/560.16
  6. Step 6: Final answer
    x = 790.49

Related Problems

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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.