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Finding the Fourth Proportional to 583.55, 802.95 and 569.72

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Solution

The fourth proportional to 583.55, 802.95 and 569.72 is: 783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.55 : 802.95 = 569.72 : x
  2. Step 2: Convert to fraction form
    583.55/802.95 = 569.72/x
  3. Step 3: Cross multiply
    583.55x = 802.95 × 569.72
  4. Step 4: Simplify right side
    583.55x = 457,452.03
  5. Step 5: Solve for x
    x = 457,452.03/583.55
  6. Step 6: Final answer
    x = 783.91

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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.