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Finding the Fourth Proportional to 582.77, 803.40 and 416.93

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Solution

The fourth proportional to 582.77, 803.40 and 416.93 is: 574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.77 : 803.40 = 416.93 : x
  2. Step 2: Convert to fraction form
    582.77/803.40 = 416.93/x
  3. Step 3: Cross multiply
    582.77x = 803.40 × 416.93
  4. Step 4: Simplify right side
    582.77x = 334,955.98
  5. Step 5: Solve for x
    x = 334,955.98/582.77
  6. Step 6: Final answer
    x = 574.76

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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.