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Finding the Fourth Proportional to 581.85, 873.18 and 530.82

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Solution

The fourth proportional to 581.85, 873.18 and 530.82 is: 796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.85 : 873.18 = 530.82 : x
  2. Step 2: Convert to fraction form
    581.85/873.18 = 530.82/x
  3. Step 3: Cross multiply
    581.85x = 873.18 × 530.82
  4. Step 4: Simplify right side
    581.85x = 463,501.41
  5. Step 5: Solve for x
    x = 463,501.41/581.85
  6. Step 6: Final answer
    x = 796.60

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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.