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Finding the Fourth Proportional to 559.50, 771.24 and 441.19

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Solution

The fourth proportional to 559.50, 771.24 and 441.19 is: 608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.50 : 771.24 = 441.19 : x
  2. Step 2: Convert to fraction form
    559.50/771.24 = 441.19/x
  3. Step 3: Cross multiply
    559.50x = 771.24 × 441.19
  4. Step 4: Simplify right side
    559.50x = 340,263.38
  5. Step 5: Solve for x
    x = 340,263.38/559.50
  6. Step 6: Final answer
    x = 608.16

Related Problems

Find fourth proportional to 279.75, 385.62 and 220.60
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Double scale
Find fourth proportional to 560.50, 772.62 and 442.19
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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.