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Finding the Fourth Proportional to 522.62, 719.57 and 443.77

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Solution

The fourth proportional to 522.62, 719.57 and 443.77 is: 611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.62 : 719.57 = 443.77 : x
  2. Step 2: Convert to fraction form
    522.62/719.57 = 443.77/x
  3. Step 3: Cross multiply
    522.62x = 719.57 × 443.77
  4. Step 4: Simplify right side
    522.62x = 319,319.56
  5. Step 5: Solve for x
    x = 319,319.56/522.62
  6. Step 6: Final answer
    x = 611.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.