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Finding the Fourth Proportional to 582.76, 803.83 and 358.58

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Solution

The fourth proportional to 582.76, 803.83 and 358.58 is: 494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.76 : 803.83 = 358.58 : x
  2. Step 2: Convert to fraction form
    582.76/803.83 = 358.58/x
  3. Step 3: Cross multiply
    582.76x = 803.83 × 358.58
  4. Step 4: Simplify right side
    582.76x = 288,237.36
  5. Step 5: Solve for x
    x = 288,237.36/582.76
  6. Step 6: Final answer
    x = 494.61

Related Problems

Find fourth proportional to 291.38, 401.92 and 179.29
Half scale
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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.