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Finding the Fourth Proportional to 581.57, 802.94 and 360.75

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Solution

The fourth proportional to 581.57, 802.94 and 360.75 is: 498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.57 : 802.94 = 360.75 : x
  2. Step 2: Convert to fraction form
    581.57/802.94 = 360.75/x
  3. Step 3: Cross multiply
    581.57x = 802.94 × 360.75
  4. Step 4: Simplify right side
    581.57x = 289,658.80
  5. Step 5: Solve for x
    x = 289,658.80/581.57
  6. Step 6: Final answer
    x = 498.07

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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.