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Finding the Fourth Proportional to 563.76, 844.12 and 530.04

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Solution

The fourth proportional to 563.76, 844.12 and 530.04 is: 793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.76 : 844.12 = 530.04 : x
  2. Step 2: Convert to fraction form
    563.76/844.12 = 530.04/x
  3. Step 3: Cross multiply
    563.76x = 844.12 × 530.04
  4. Step 4: Simplify right side
    563.76x = 447,421.19
  5. Step 5: Solve for x
    x = 447,421.19/563.76
  6. Step 6: Final answer
    x = 793.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.