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Finding the Fourth Proportional to 576.75, 795.67 and 451.91

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Solution

The fourth proportional to 576.75, 795.67 and 451.91 is: 623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.75 : 795.67 = 451.91 : x
  2. Step 2: Convert to fraction form
    576.75/795.67 = 451.91/x
  3. Step 3: Cross multiply
    576.75x = 795.67 × 451.91
  4. Step 4: Simplify right side
    576.75x = 359,571.23
  5. Step 5: Solve for x
    x = 359,571.23/576.75
  6. Step 6: Final answer
    x = 623.44

Related Problems

Find fourth proportional to 288.38, 397.84 and 225.96
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Double scale
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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.